*{
    padding: 0;
    margin: 0;
}
.list{
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
}
.list-nav{
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #f2f2f2;
}
.list-main{
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
}
.list-main-item{
    width: 30%;
    height: 100px;
}
